Across
- 3. Formed at the pacific plate
- 6. Formed when two plates collide with each other.
- 9. Can form valleys
- 10. Moving away from each other
- 12. Move towards each other.
- 15. The theory for why the continents moved to their current position
- 18. Thought of a theory that all continents were together.
- 19. Where new ocean floor is made
- 20. formed with the sea floor
- 21. Shockwaves that cause mass destruction
Down
- 1. what some plates are made out of
- 2. Study of earthquakes
- 4. Smallest plate
- 5. like the one in California
- 7. when multiple land masses are together
- 8. biggest plate
- 11. Scrap past each other
- 13. Name for a supercontinent that was once on earth
- 14. Can be formed by magma
- 16. Things that are under the sea floor
- 17. When magma is out of a volcano
- 20. Things that spew lava and ash.